- A1 ✏︎ Molecules -
A1.1 - Water
LECTURE VIDEO
DESCRIPTION
It’s not ‘just’ water—it’s the unique solvent that makes life possible on Earth. Plunge into the surprising properties of water for A-Level Biology. This video reveals why H₂O is the ultimate biological molecule. We’ll cover:
- The power of hydrogen bondingand why it gives water its “superpowers.”
- How cohesion & surface tensionallow insects to walk on water.
- Why water is the perfect metabolite & solventfor all life processes.
- Its role as a temperature bufferin organisms and ecosystems.
See why life is impossible without this incredible molecule.
TIMESTAMPS
STUDY RESOURCES
00:00 – Intro to water
03:04 – Water Structure & Hydrogen Bonding
15:33 – Cohesion & Adhesion
24:18 – Solvent
29:42 – Physical Properties Of Water
42:16 – IB Questions & Answersl
NOTES – All you need to know in one place!
QUESTIONS – Test your Big Brain!
A1.1 (HL) - Water
LECTURE VIDEO
DESCRIPTION
In this video us BIG BRAINS will talk about the different aspects of noodle salads in order to substantially expand our understanding of jelly beans and puppy paws. Not only that, we will also be identifying structures we have never seen before such as feather soil, wand oil and of course: peanut nanocarbons and puffskittles.
TIMESTAMPS
STUDY RESOURCES
00:00 – Intro To HL
01:19 – Asteroid Theory
06:35 – Goldilocks Zone
10:31 – Summary
NOTES – All you need to know in one place!
QUESTIONS – Test your Big Brain!
A1.2 - Nucleic Acids
LECTURE VIDEO
DESCRIPTION
In this video us BIG BRAINS will talk about the different aspects of noodle salads in order to substantially expand our understanding of jelly beans and puppy paws. Not only that, we will also be identifying structures we have never seen before such as feather soil, wand oil and of course: peanut nanocarbons and puffskittles.
TIMESTAMPS
STUDY RESOURCES
00:00:00 – Intro
00:00:13 – Eukaryotic & Prokaryotic Cells
NOTES – All you need to know in one place!
QUESTIONS – Test your Big Brain!
A1.2 (HL) - Nucleic Acids
LECTURE VIDEO
DESCRIPTION
In this video us BIG BRAINS will talk about the different aspects of noodle salads in order to substantially expand our understanding of jelly beans and puppy paws. Not only that, we will also be identifying structures we have never seen before such as feather soil, wand oil and of course: peanut nanocarbons and puffskittles.
TIMESTAMPS
STUDY RESOURCES
00:00:00 – Intro
00:00:13 – Viruses, Eukaryotic Cells & Prokaryotic Cells
NOTES – All you need to know in one place!
QUESTIONS – Test your Big Brain!
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